Finding the Fourth Proportional to 279,490,295.80, 419,313,218.52 and 121,937,096.44
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Solution
The fourth proportional to 279,490,295.80, 419,313,218.52 and 121,937,096.44 is: 182,939,576.56
Step by Step Solution
- Step 1: Write the proportion equation
279,490,295.80 : 419,313,218.52 = 121,937,096.44 : x - Step 2: Convert to fraction form
279,490,295.80/419,313,218.52 = 121,937,096.44/x - Step 3: Cross multiply
279,490,295.80x = 419,313,218.52 × 121,937,096.44 - Step 4: Simplify right side
279,490,295.80x = 51,129,836,365,240,032 - Step 5: Solve for x
x = 51,129,836,365,240,032/279,490,295.80 - Step 6: Final answer
x = 182,939,576.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.